Switching device with multistage queuing scheme
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United States of America Patent
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Jul 19, 2005
Grant Date -
N/A
app pub date -
Oct 5, 1998
filing date -
Oct 5, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
In a switching device, a method of communicating data packets from sending ports to destination ports includes storing in a first stage queue packet-related data from a sending port; determining from the packet-related data which destination ports are to receive the packet-related data in the first stage queue; storing in a second stage queue associated with each determined destination port the packet-related data from the first stage queue; and using the packet-related data in the second stage queue to complete the communication of the data packet from the sending port to each determined destination port. Apparatus for practicing the method comprises a first stage queue storing packet-related data from a sending port; and a second stage queue associated with each of a set of destination ports storing the packet-related data from the first stage queue.
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